The surgery was performed by Dr. Jon Warner at the Boston Shoulder Institute at Massachusetts General Hospital.

Horton signed a seven-year, $37.1-million contract with the Blue Jackets on July 5. He has 198 goals and 204 assists for 402 points with 543 penalty minutes in 591 career NHL games with the Florida Panthers and Boston Bruins. This past season, he had 13 goals and nine assists in 43 games with the Bruins before picking up seven goals and 12 assists in 22 Stanley Cup Playoff games.